Plaintiff, Chiropractic Cooperative Association of Michigan (“CCAM”), is the assignee of a number of Michigan Chiropractors antitrust claims and was formed for the express purpose of filing this lawsuit. In a complaint filed on July 7, 1983, CCAM charged the defendants with violating Â§Â§ 1 and 2 of the Sherman Act, 15 U.S.C. Â§Â§ 1 and 2, by engaging in a concerted refusal to deal with chiropractors and by conspiring to monopolize the health care market. The defendants still remaining in the action are the American Medical Association (“AMA”), the American Hospital Association (“AHA”), the Joint Commission of Accreditation of Hospitals (“JCAH”), the Michigan State Medical Society (“MSMS”), the Munson Medical Center (“MMC”), and four individuals, H. Doyl Taylor, Joseph A. Sabatier, Jr., M.D., H. Thomas Ballantine, M.D., and James H. Sammons, M.D.